Question

我只需要在星期一执行程序;所以我首先在WEEKDAY（）上做一个测试，但是有一个语法错误，我找不到有什么问题？

CREATE DEFINER=`root`@`localhost` PROCEDURE `fm_Upd_Histo_Inv`()
BEGIN
-- Test if it is Monday 
    CASE WEEKDAY(curdate()) = 0 then
        insert into db1w_histo_inventory (year, week, store, total, to_do)
            select year(curdate()),
                WEEKOFYEAR(curdate()),
                S.store, 
                count(S.INVDATE) as TotalToDo,
                sum(datediff(curdate(), S.INVDATE) > '365') as 'TO_DO'
            from mrqr_stock S
            left join mrqr_organisms O
                on O.ORGANISM = S.STORE
            where (O.ORGANISM like '01%'
                        or O.ORGANISM like 'VV%'
                        or O.ORGANISM like 'IK%')
            group by S.STORE
    end;
END

Answer 1

CASE通常用于select，insert，update，delete等语句中。它不用于控制流程。请改用IF。并设置不同的分隔符。

DELIMITER $$
CREATE DEFINER=`root`@`localhost` PROCEDURE `fm_Upd_Histo_Inv`()
BEGIN
-- Test if it is Monday 
    IF WEEKDAY(curdate()) = 0 then
        insert into db1w_histo_inventory (year, week, store, total, to_do)
            select year(curdate()),
                WEEKOFYEAR(curdate()),
                S.store, 
                count(S.INVDATE) as TotalToDo,
                sum(datediff(curdate(), S.INVDATE) > '365') as 'TO_DO'
            from mrqr_stock S
            left join mrqr_organisms O
                on O.ORGANISM = S.STORE
            where (O.ORGANISM like '01%'
                        or O.ORGANISM like 'VV%'
                        or O.ORGANISM like 'IK%')
            group by S.STORE
    end if;
END $$
DELIMITER ;

工作日创建过程错误（）

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